If the dam is removed, which statement BEST describes if the two populations could produce fertile offspring? A The two populations can produce fertile offspring because they have a common ancestor.
B
The two species cannot produce fertile offspring because they have different appearances.
с
The two populations can produce fertile offspring because they have the same resources available.
D
The two populations cannot produce fertile offspring because they have become two different species.

Sydney drew a flow chart to illustrate the nitrogen cycle.which labels best complete the flow chart? x: producers undergo photosynthesis.y: nitrogen compounds are released into the air.x: nitrogen compounds are released into the air.y: producers undergo photosynthesis.x: free nitrogen is in the atmosphere.y: producers absorb nitrogen compounds through their roots.x: producers absorb nitrogen compounds through their roots.y: free nitrogen is in the atmosphere.

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?